2112222101211 has 32 divisors (see below), whose sum is σ = 3160485504000. Its totient is φ = 1394080178400.

The previous prime is 2112222101191. The next prime is 2112222101279. The reversal of 2112222101211 is 1121012222112.

2112222101211 is a `hidden beast` number, since 21 + 1 + 222 + 210 + 1 + 211 = 666.

It is not a de Polignac number, because 2112222101211 - 2³⁷ = 1974783147739 is a prime.

It is a super-2 number, since 2×2112222101211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112222105211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37623640 + ... + 37679738.

It is an arithmetic number, because the mean of its divisors is an integer number (98765172000).

Almost surely, 2^{2112222101211} is an apocalyptic number.

2112222101211 is a deficient number, since it is larger than the sum of its proper divisors (1048263402789).

2112222101211 is a wasteful number, since it uses less digits than its factorization.

2112222101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70016 (or 70010 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2112222101211 its reverse (1121012222112), we get a palindrome (3233234323323).

The spelling of 2112222101211 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, one hundred one thousand, two hundred eleven".